Smartphone stuck on logo, won't boot after update, shows firmware errors, lost features after bad root attempt, or simply needs clean OS without bloatware — firmware flashing or full software installation brings the device back to normal. Grade service in Khmelnytskyi handles official firmware for Samsung, Xiaomi, Huawei, Realme, Poco, Google Pixel, safe custom ROM installation (LineageOS, Pixel Experience, crDroid), and clean iOS restore on iPhone via iTunes/Finder. Work is done with 2025–2026 firmware versions, preserving data where possible, and IMEI verification after the process.
What the Service Includes
The firmware flashing and software installation service covers:
- Official Android flashing via Odin (Samsung), Mi Flash (Xiaomi/Poco), SP Flash Tool (MediaTek), Fastboot (Google, OnePlus, Realme)
- Stock firmware restore after custom ROM or root
- Manual installation of official updates blocked by OTA
- EDL-mode flashing (Qualcomm) for unbricking
- Custom ROM installation: LineageOS, Pixel Experience, Evolution X, crDroid with/without GApps
- Custom recovery flashing: TWRP, OrangeFox, PitchBlack
- Clean iOS installation on iPhone via IPSW in DFU mode
- Bootloader unlocking (where required and safe)
- Removal of factory/Chinese bloatware
- Post-flash checks: IMEI, certification, Knox, SafetyNet/Play Integrity
- Basic setup: language, region, Google account, data backup before procedure
When You Need the Service
Firmware flashing or full reinstall is required when:
- Device stuck on boot logo, bootloop, soft-brick
- Won't start after failed OTA update or security patch
- Became a brick after root, custom recovery, or Magisk module error
- Need to switch from Chinese to global/EU firmware
- Want clean Android without ads and preinstalled apps
- Install custom ROM to extend support for older device
- iPhone stuck on Apple logo, won't update, needs restore after jailbreak
- Network/VoLTE/Wi-Fi calling issues after region change
- Before selling — full wipe and stock firmware
Work Stages
- Client interview: symptoms, model, current firmware, desired outcome
- Device model, chipset, bootloader status, available firmware check
- Data backup (if device boots) or warning about possible data loss
- Download verified firmware from official/trusted sources
- Preparation: bootloader unlock, driver setup, mode switch (Download/Fastboot/EDL/DFU)
- Flashing process with full monitoring
- Post-flash verification: boot, IMEI, network, cameras, sensors, Google services
- App installation, basic configuration, stability testing
- Report: installed firmware version, actions performed
Why Choose Grade in Khmelnytskyi
Grade performs phone flashing using reliable 2025–2026 methods and verified firmware, minimizing bricking risks. Clients value clear explanations of possible outcomes before starting. Additional services include laptop repair, PC repair, TV repair, coffee machine repair, charging station repair, robot vacuum repair. Reviews — here.
Address: Khmelnytskyi, Panasa Myrnoho str., 31/3
Schedule: Mon–Sun 11:00–20:00
Phone: +380 97 719 4430
Telegram: Telegram
Easy from anywhere in Ukraine
Not in Khmelnytskyi? Ship your smartphone via Nova Poshta. After flashing or software installation, the device returns fully operational. Details on the Nova Poshta delivery page.